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Finding the Fourth Proportional to 202,646.77, 303,969.67 and 190,315.68

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Solution

The fourth proportional to 202,646.77, 303,969.67 and 190,315.68 is: 285,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,646.77 : 303,969.67 = 190,315.68 : x
  2. Step 2: Convert to fraction form
    202,646.77/303,969.67 = 190,315.68/x
  3. Step 3: Cross multiply
    202,646.77x = 303,969.67 × 190,315.68
  4. Step 4: Simplify right side
    202,646.77x = 57,850,194,445.43
  5. Step 5: Solve for x
    x = 57,850,194,445.43/202,646.77
  6. Step 6: Final answer
    x = 285,473.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.